Brand: JiaYiBing - Model: 718P - Wireless type: 2.4G - Color: Black - Material: ABS - Interface type: Wireless - Distance: 10m - Impedance: 32ohm - Sensitivity: 120dB - Headphone frequency response: 20Hz - Warranty: 12 months excluding physical damages (see specifications for items and details) - Headphones built-in 350mAh battery - Charging time: 3 hours - Using time: 10 hours - Standby time: 30 days - Mouse powered by 2 x AA batteries - Earphones feature: - 2.4GHz wireless original sound - Double antenna design enjoy 360 degrees barrier-free listening - 10m wireless transmission - Multi-function NANO all-in-one plug and play - Built-in rechargeable Li-ion battery can enjoy 10 hours full charged - Total harmonic distortion: - Mouse feature: - Fashionable style - Comfortable touch - Wireless effective range: 10m 360 degrees rotation 2-CH for transmitter and receiver - Intelligent energy-saving - High-end sensitive engine - Matte feeling - Adjustable DPI - CPI change key at the bottom a variable key: 500 1000 1600 three-gear - Packing list: - 1 x Wireless headphones - 1 x Wireless mouse - 1 x Receiver - 2 x AAA batteries - 1 x Headphones charging cable (120cm)